php bin / console symfony命令给出致命错误 [英] php bin/console symfony commands give a fatal error

问题描述

我安装了symfony 3项目，但是无法运行任何php bin / console命令。当我尝试时，出现以下错误：

I installed a symfony 3 project but cant run any php bin/console commands. When I try, I get the following error:

PHP致命错误：未捕获的Symfony\Component\Debug\Exception\ClassNotFoundException ：试图从全局名称空间中加载类 DOMDocument。
您是否忘记了使用声明？在project_folder / vendor / symfony / symfony / src / Symfony / Component / Config / Util / XmlUtils.php：52

PHP Fatal error: Uncaught Symfony\Component\Debug\Exception\ClassNotFoundException: Attempted to load class "DOMDocument" from the global namespace. Did you forget a "use" statement? in project_folder/vendor/symfony/symfony/src/Symfony/Component/Config/Util/XmlUtils.php:52

任何想法要解决此问题？

Any idea how to fix this?

推荐答案

在寻找解决方案数小时后，我检查了已安装的php软件包并意识到php-xml不在那里。

After hours of looking for solutions I checked the php packages that I had installed and realized that php-xml was not there.

sudo apt install php-xml

现在可以使用了：）

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